Noun:

1. a major or main route

arterializev.化为动脉血arterialadj.动脉的；动脉状的arterial air embolism动脉型空气栓塞arterial embolization动脉栓塞形成arterial extravasation动脉性外渗arterial blood vessels动脉血管arterial septal defect房间隔缺损arterial filling phase动脉充盈期Arterial spin labeling动脉自旋标记Arterial calcification动脉钙化Arterial embolotherapy血管栓塞治疗arterial chemoreceptor动脉化学感受器

1. You can regain the main road by turning left two miles ahead.
   你在前面两英里处左转，就可回到公路干线。
2. There are new cameras overlooking the major road arteries in town.
   有新的摄像头监视着城镇中的主要公路干线。